Fluid-compression apparatus.



A. K. GILLESPIE.

FLUID COMPRESSION APPARATUS.

APPLICATION FILED APR. 15. 1915.

1,182,084, Patented May 9,1916.

WITNESS.

THE COLUMBIA PLANOGRAPH cch, WASHINGTON. D. c.

- UNITED STATES PATENT oFFIoE.

ALAN K. GI LESPInbF ST. LOUIS, MISSOURI, ASSIGNOR moons v. BRECHT BUTCHERS SUPPLY COMPANY, OF ST. LOUIS, MISSOURI, A CORPORATION OF MISSOURI.

FLUID-COMPRESSION A PARATUS.

I 'Application mea April 15, 1915.

To all co/vomit may concern Be it known that I, ALAN. K. GIL'LnsPIE,

a citizen of the United States of America, residing at the cityof St. Louis, State of Missouri, have invented a certain new and useful Fluid-Compression Apparatus, of which the following is such a full, clear, and exact description as will enable any one skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, forming part of this specification.

My invention relates particularly to refrigerating systems and other apparatus in which gases or liquids are compressed and its object is to provide an arrangement to prevent development of dangerous pressures in such, systems through failure of the operator to properly position the valves, particularly the stop valve in the discharge conduit from the compressor. It is apparent that, ifthe compressor is operated when the valve in the discharge conduit is closed while the induction regulating valve in the return or supply conduit is open, a dangerous .pressure will immediately be produced and serious explosions have resulted. I/Vith the valve and conduit arrangement hereinafter described, undue pressure cannot be developed as a result of any possible positions of the valves.

In the accompanying drawing, which illustrates one embodiment of my invention, 1 represents an ammonia compressor, 2 the discharge conduit, and 3 the conduit through which the gas returns to the compressor after having passed through the coils and other elements of the refrigerating system. The valve chamber 4 in the discharge conduit is provided with two discharge openings 5 and 6. The valve 7 is so positioned and supported that it may be caused to close either of the openings 5 or 6 when desired but cannot close both openings at the same time. The return conduit is provided with a valve chamber 8 and the induction regulating valve 9 which may be caused to close either of the openings 10 or 11. The valve chamber 8 is connected with a discharge opening 6 of the valve chamber 4 by the auxiliary conduit 12. p

With the arrangement described, if the compressor is operated while thevalve 7 is in position to close the discharge opening 5 Specification Of Letters'Patent.

Patented May 9, 1916. "Serial No. 21,586.

leading to the condensingapparatus of "the let through the auxiliary conduit to the valve chamber 8 in the return conduit and thence either back to the compressor or to the return conduit 3 should the opening 11 be closed by the valve 8, and thus there will be no possibility of development of a dangerous pressure. It will be understood that, in the normal operation of the refrigerating system, the valve 7 is positioned to close the opening 6.

The pipe 13 with its normally closedvalve 14 forms no part of the present invention and its purpose need not, therefore, be described.

IVhile I have described a convenient specific embodiment of my invention, 1 am awarethat modifications may be made without departing from the principle thereof and within the scope of the appended claims.

The term compressor, as used, is meant to cover and include a pump or any similar apparatus capable of causing the development of pressure in gas or liquids.

Having fully described my invention, what I claim as new and desire to secure by Letters-Patent of the United States is:

1. In an apparatus of the class described, the combination of a compressor, a supply conduit, a delivery conduit provided with a stop valve, an auxiliary conduit connecting 'the supply conduit to the delivery conduit stop valve, a valve for the auxiliary conduit,

and means whereby the last named valve will be open when the stop. valve of the delivery conduit is closed. 7

2. In apparatus of the class described, the combination of a compressor, a delivery pipe, a supply pipe, a valve chamber in the delivery pipe providedwith two discharge openings, means for closing said openings, means controlling the closing means and preventing both openings being closed at the same time, and a pipe directly connecting one discharge opening with the supply P 1 c p 3. In apparatus of the class described, the combination of a compressor, a delivery pipe, a return pipe, a valve chamber in the delivery pipe provided with two discharge openings, a valve in said chamber adapted plpe, each of said chambers being provided with three openings, a single va1ve-in each chamber and each adapted to cooperate With 10 two openings, and an auxiliary pipe conpipe, a return pipe, a valve chamber in each inecting an opening of one chamber to m an opening of the other chamber.

In testimony whereof, I have hereunto set my han'd and aflixed my seal in the presence of the' tWOSllbSCIibiIig Witnesses.

ALAN K. GILLESPIE.

Witnesses: W. A. ALEXANDER, G. M. SHORE.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner 01 Batqnts,

Washington, D. 0. 

